import {z} from 'zod'

export type CreateApiMatrixClientV3CreateRoomArgs = {body: {creation_content?: Record<string, never> | undefined, initial_state?: (Array<{content: Record<string, never>, state_key?: string | undefined, type: string}>) | undefined, invite?: Array<unknown> | undefined, invite_3pid?: Array<{address: string, id_access_token: string, id_server: string, medium: string}> | undefined, is_direct?: boolean | undefined, name?: string | undefined, power_level_content_override?: Record<string, never> | undefined, preset?: ('private_chat' | 'public_chat' | 'trusted_private_chat') | undefined, room_alias_name?: string | undefined, room_version?: string | undefined, topic?: string | undefined, visibility?: ('public' | 'private') | undefined}};

export type CreateApiMatrixClientV3CreateRoomOptions = {baseUrl?: string | undefined, accessTokenQuery?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiMatrixClientV3CreateRoomResponse = z.object({room_id: z.string()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Create a new room
 * 
 * POST /_matrix/client/v3/createRoom
 * 
 * Also accepts auth: accessTokenBearer
 */
export const createApiMatrixClientV3CreateRoom = async (args: CreateApiMatrixClientV3CreateRoomArgs, options?: CreateApiMatrixClientV3CreateRoomOptions) => {
const {baseUrl = "https://matrix.org", fetch: fetchFn = fetch, accessTokenQuery} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (accessTokenQuery !== undefined) query.set("access_token", accessTokenQuery)

const url = `${baseUrl.replace(/\/+$/, '')}/_matrix/client/v3/createRoom${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiMatrixClientV3CreateRoomResponse, await res.json())
};